GB9020986D0 - Alarm system - Google Patents

Alarm system

Info

Publication number
GB9020986D0
GB9020986D0 GB909020986A GB9020986A GB9020986D0 GB 9020986 D0 GB9020986 D0 GB 9020986D0 GB 909020986 A GB909020986 A GB 909020986A GB 9020986 A GB9020986 A GB 9020986A GB 9020986 D0 GB9020986 D0 GB 9020986D0
Authority
GB
United Kingdom
Prior art keywords
alarm system
alarm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB909020986A
Other versions
GB2248331A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARFIELD HARRY S
Original Assignee
ARFIELD HARRY S
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ARFIELD HARRY S filed Critical ARFIELD HARRY S
Priority to GB9020986A priority Critical patent/GB2248331A/en
Publication of GB9020986D0 publication Critical patent/GB9020986D0/en
Publication of GB2248331A publication Critical patent/GB2248331A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1427—Mechanical actuation by lifting or attempted removal of hand-portable articles with transmitter-receiver for distance detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0241—Data exchange details, e.g. data protocol
    • G08B21/0247—System arrangements wherein the alarm criteria uses signal strength
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0286—Tampering or removal detection of the child unit from child or article
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
GB9020986A 1990-09-26 1990-09-26 Surveillance alarm system Withdrawn GB2248331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9020986A GB2248331A (en) 1990-09-26 1990-09-26 Surveillance alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9020986A GB2248331A (en) 1990-09-26 1990-09-26 Surveillance alarm system

Publications (2)

Publication Number Publication Date
GB9020986D0 true GB9020986D0 (en) 1990-11-07
GB2248331A GB2248331A (en) 1992-04-01

Family

ID=10682801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9020986A Withdrawn GB2248331A (en) 1990-09-26 1990-09-26 Surveillance alarm system

Country Status (1)

Country Link
GB (1) GB2248331A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4219678A1 (en) * 1992-06-16 1994-01-05 Eduard Kuehnert Method and arrangement for securing people or objects
GB2275804A (en) * 1993-03-06 1994-09-07 Manjit Singh Bains Child alarm/monitor
GB2276479A (en) * 1993-03-23 1994-09-28 Jason Mager Robert Macwhirter Anti-loss alarm system
BR9407196A (en) * 1993-07-15 1996-09-17 Girolamo Buonavoglia Electronic device for continuous or discontinuous connection between people and objects
GB2318672B (en) * 1996-10-23 2001-03-21 Nokia Mobile Phones Ltd Radiotelephone proximity detector
GB2318671A (en) * 1996-10-23 1998-04-29 Nokia Mobile Phones Ltd Radiotelephone proximity detector
GB2319872A (en) * 1996-11-30 1998-06-03 Neil Sharp Child safety system
GB2326549A (en) * 1997-05-08 1998-12-23 Rajab Ali Zafari Child tracker
GB2333876A (en) * 1998-02-02 1999-08-04 Anthony John Hulbert Mobile range sensitive security device
KR20010041561A (en) * 1998-03-02 2001-05-25 코니사 리미티드 Monitoring system
GB2335774A (en) * 1998-03-24 1999-09-29 Dale Bolton Child safety distance monitor
FR2783955A1 (en) * 1998-09-25 2000-03-31 Richard Hamon Master/slave transmitter/receiver set object/person absence alerting having slave retransmitting coded transmissions and master detecting signal absence/sounding alarm.
GB2343776A (en) * 1998-11-10 2000-05-17 Sally Jane Kimmis Child safety distance alarm system
US6166642A (en) * 1999-01-15 2000-12-26 Farshid; Koopal Electronic tracing system
JP2001052288A (en) * 1999-08-12 2001-02-23 Koji Nakamura Voice notifying device for detecting wanderer and preventing losing of article or the like
US6512457B2 (en) 1999-11-15 2003-01-28 Hector Irizarry Monitoring device adapted for use with an electronic article surveillance system
WO2000019802A2 (en) * 1999-12-27 2000-04-13 Hpm International Trade Ag Surveillance and security system
US7009512B2 (en) 2001-07-13 2006-03-07 Juan Carlos Cordoba Alarm system for a portable device
WO2003030118A2 (en) * 2001-09-28 2003-04-10 Seatsignal, Inc. Object-proximity monitoring and alarm system
US7009522B2 (en) 2001-09-28 2006-03-07 Seatsignal, Inc. Object-proximity monitoring and alarm system
GB0312677D0 (en) * 2003-06-03 2003-07-09 Ashgill Electronics Ltd Monitoring system
ITVI20060008A1 (en) * 2006-01-10 2007-07-11 Ercole Bonini CONTROL DEVICE FOR THE PRESENCE OF PEOPLE IN A SURROUNDED AREA
US8493226B2 (en) 2010-08-30 2013-07-23 Brian Tedesco Battery charger loss prevention adaptor having a notification module

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073681A3 (en) * 1981-09-02 1983-10-12 Kunwar Chander Jeet Singh Improvements relating to position detection devices
EP0093463A1 (en) * 1982-04-29 1983-11-09 Michael Givaty System, method and apparatus for protecting objects, individuals and entities
US4593273A (en) * 1984-03-16 1986-06-03 Narcisse Bernadine O Out-of-range personnel monitor and alarm
GB2182183A (en) * 1985-10-26 1987-05-07 Robert Peter Andow Child vicinity radio alarm system
US4853692A (en) * 1987-12-07 1989-08-01 Wolk Barry M Infant security system
GB2214340A (en) * 1988-01-08 1989-08-31 Jeffrey Kear Lost or stolen property warning device
GB8810403D0 (en) * 1988-05-03 1988-06-08 Shorrock Security Systems Ltd Radio tag alarm system
GB8811395D0 (en) * 1988-05-13 1988-06-15 Dick P M G Security system

Also Published As

Publication number Publication date
GB2248331A (en) 1992-04-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)